旋转是物体运动和图形变换的一种常见形式,它与全等图形有着密切的联系。由于图形的旋转能较好地考查观察、操作、推理、归纳等方面的能力,因此受到了各地中考命题者的青睐。本文对2009年中考题中与旋转有关的内容加以概括和分析,为同学们更好地学习这部分知识提供帮助。 Rotation is a common form of object motion and graphic transformation. It is closely related to congruent graphics. Because the rotation of the graph can better examine the ability of observation, operation, reasoning, induction, and so on, it has been favored by local proctors. This article summarizes and analyzes the content related to rotation in the 2009 mid-term exam questions to help students better learn this part of the knowledge.